<template>
	<view class="search">
		<musichead :title="title" :icon="true" :iconblack="true"></musichead>
		<view class="container">
			<scroll-view scroll-y="true">
				<view class="search-search">
					<text class="iconfont icon-Magnifier"></text>
					<input type="text" @input="handleToSuggest" @confirm="handleToSearch(searchWord)" placeholder="搜索歌曲" v-model="searchWord">
					<text @tap="handleToClose" v-show="searchType != 1" class="iconfont icon-guanbi"></text>
				</view>
				<block v-if="searchType == 1">
					<view class="search-history">
						<view class="search-history-head" v-if="existHistory">
							<text>历史记录</text>
							<text class="iconfont icon-icon1" @tap="handleToClear"></text>
						</view>
						<view class="search-history-list">
							<view @tap="handleToWord(el)" v-for="(el,index) in searchHistory" :key="index">{{el}}</view>
						</view>
					</view>
					<view class="search-hot">
						<view class="search-hot-head">热搜榜</view>
						<view class="search-hot-item" @tap="handleToWord(item.searchWord)"
							v-for="(item,index) in searchHot" :key="index">
							<view class="search-hot-top">{{index+1}}</view>
							<view class="search-hot-word">
								{{item.searchWord}}
								<image :src="item.iconUrl" mode="aspectFit"></image>
								<view>{{item.content}}</view>
							</view>
							<text class="search-hot-count">{{item.score}}</text>
						</view>
					</view>
				</block>
				<block v-else-if="searchType == 2">
					<view class="search-result">
						<view class="search-result-item" @tap="handleToDetail(item.id)"
							v-for="(item,index) in searchList" :key="index">
							<view class="search-result-word">
								<view>{{item.name}}</view>
								<view>{{item.artists[0].name}} - {{item.album.name}}</view>
							</view>
							<text class="iconfont icon-bofang_o"></text>
						</view>
					</view>
				</block>
				<block v-else-if="searchType == 3">
					<view class="search-suggest">
						<view class="search-suggest-head">搜索“{{searchWord}}”</view>
						<view class="search-suggest-item" @tap="handleToWord(item.keyword)" v-for="(item,index) in searchSuggest" :key="index">
							<text class="iconfont icon-Magnifier"></text>{{item.keyword}}
						</view>
					</view>
				</block>
			</scroll-view>
		</view>
	</view>
</template>

<script>
	import musichead from '../../components/musichead/musichead.vue'
	import {
		searchHot,
		searchWord,
		searchSuggest
	} from '@/common/api.js'
	export default {
		components: {
			musichead
		},
		data() {
			return {
				title: "搜索",
				searchWord: "",
				searchType: 1,
				searchHistory: [],
				searchHot: [],
				searchList: [],
				searchSuggest:[]
			}
		},
		onLoad() {
			searchHot().then(res => {
				if (res.data.code == 200) {
					this.searchHot = res.data.data
				}
			})
			uni.getStorage({
				key: "searchHistory",
				success: res => {
					this.searchHistory = res.data
				}
			})
		},
		computed: {
			existHistory() {
				return this.searchHistory.length > 0 ? true : false
			}
		},
		methods: {
			handleToWord(word) {
				this.searchWord = word
				this.handleToSearch(word)
			},
			handleToSearch(word) {
				this.searchHistory.unshift(word)
				this.searchHistory = [...new Set(this.searchHistory)]
				if (this.searchHistory.lenth > 10) {
					this.searchHistory.lenth = 10
				}
				uni.setStorage({
					key: "searchHistory",
					data: this.searchHistory
				})
				this.getSearchList(word)
			},
			handleToClear() {
				uni.removeStorage({
					key: "searchWord",
					success: res => {
						this.searchHistory = []
					}
				})

			},
			getSearchList(word) {
				searchWord(word).then(res => {
					if (res.data.code == 200) {
						if (!res.data.result.songs || res.data.result.songs.lenth == 0) {
							uni.showToast({
								title: "没有搜索到结果呢"
							})
						}
						this.searchList = res.data.result.songs
						this.searchType = 2
					}
				})
			},
			handleToClose() {
				this.searchWord = ''
				this.searchType = 1
			},
			handleToDetail(songId) {
				uni.navigateTo({
					url: '/pages/detail/detail?songId=' + songId
				})
			},
			handleToSuggest(ev){
				let value = ev.detail.value
				if(!value){
					this.searchType = 1
					return
				}
				searchSuggest(value).then(res=>{
					if(res.data.code == 200){
						this.searchSuggest = res.data.result.allMatch
						this.searchType = 3
					}
				})
			}
		}
	}
</script>

<style scoped>
	.search-search {
		display: flex;
		align-items: center;
		height: 70rpx;
		margin: 70rpx 30rpx 50rpx 30rpx;
		background-color: #f7f7f7;
		border-radius: 50rpx;
	}

	.search-search text {
		margin: 0 26rpx;
	}

	.search-search input {
		flex: 1;
		font-size: 26rpx;
	}

	.search-history {
		margin: 0rpx 30rpx 50rpx 30rpx;
		font-size: 26rpx;
	}

	.search-history-head {
		display: flex;
		justify-content: space-between;
		margin-bottom: 36rpx;
	}

	.search-history-list {
		display: flex;
		flex-wrap: wrap;
	}

	.search-history-list view {
		padding: 16rpx 28rpx;
		border-radius: 40rpx;
		margin-right: 30rpx;
		margin-bottom: 30rpx;
		background: #f7f7f7;
	}

	.search-hot {
		margin: 0 30rpx;
		font-size: 26rpx;
	}

	.search-hot-head {
		margin-bottom: 36rpx;
	}

	.search-hot-item {
		display: flex;
		align-items: center;
		margin-bottom: 58rpx;
	}

	.search-hot-top {
		color: #fb2222;
		width: 60rpx;
		margin-left: 8rpx;
	}

	.search-hot-word {
		flex: 1;
	}

	.search-hot-word view:nth-child(1) {
		font-size: 30rpx;
		color: black;
	}

	.search-hot-word view:nth-child(2) {
		font-size: 24rpx;
		color: #878787;
	}

	.search-hot-word image {
		width: 48rpx;
		height: 22rpx;
	}

	.search-hot-count {
		color: #878787;
	}

	.search-result {
		border-top: 2px solid #e4e4e4;
		padding: 30rpx;
	}

	.search-result-item {
		display: flex;
		justify-content: space-between;
		align-items: center;
		padding-bottom: 30rpx;
		margin-bottom: 30rpx;
		border-bottom: 2px solid #e4e4e4;
	}

	.search-result-item text {
		font-size: 50rpx;
	}

	.search-result-word {}

	.search-result-word view:nth-child(1) {
		font-size: 28rpx;
		color: #235790;
		margin-bottom: 12rpx;
	}

	.search-result-word view:nth-child(2) {
		font-size: 22rpx;
		color: #898989;
	}

	.search-suggest {
		border-top: 2rpx #e4e4e4 solid;
		padding: 30rpx;
		font-size: 26rpx;
	}

	.search-suggest-head {
		color: #4574a5;
		margin-bottom: 74rpx;
	}

	.search-suggest-item {
		color: #5d5d5d;
		margin-bottom: 74rpx;
	}

	.search-suggest-item text {
		color: #bdbdbd;
		margin-right: 28rpx;
		position: relative;
		top: 2rpx;
	}
</style>
